UNDERGROUNDS TYPE OVERBURDEN max SPAN LENGTH SPECIAL START END JOB CLIENT GROUND OF [m] [m] [m] INTERVENTIONS TASK Ryad metro (Saudi Arabia) Sands and 2014 In progress - Package 2 - IDOM 20 9,00 5000 EPB A limestones Underground works Doha metro (Qatar) - Red 2014 In progress Line North - "AL Diwani" COWI Calcarenites 25 25,00 400 F, D underground station Rome metro - Line C, Fori Tufs and 2013 In progress Imperiali - Venezia Metro C S.c.p.a. pozzolanas, sandy 15-30 8,80 2x3500 EPB P extension silts Milan metro - Line 4 - Linate Airport-S. Babila-S. 6.50 and 2012 In progress Cristoforo - Running METRO 4 Sands and gravels 20 2x15000 EPB F, D 9.15 tunnels and 6 underground stations Copenagnen metro, Copenaghen Metro Limestones, glacial 2011 In progress Cityringen - Underground 30 6.2 2x19000 EPB F, D Team deposits works Milan metro - Line 5 - Garibaldi-S.Siro extension 2010 In progress GARBI Linea 5 Sands and gravels 15 7.3 2x8000 EPB D - Running tunnels and 4 underground stations Rome metro - Line C, T3 Tufs and section - Running tunnels 2008 In progress Metro C S.c.p.a. pozzolanas, sandy 15-30 8.8 2x3198 EPB F,D and 3 underground silts stations Thessaloniki metro (GREECE) - Line tunnels Silty clays, sandy 2006 In progress SALINI-IMPREGILO 30 6.2 2x7700 EPB F, D and 13 underground clays, gravelly clays stations Naples metro - Line 6 - Tufs and 2001 In progress Running tunnels and ANSALDO 15 8.2 3000 EPB F, D pozzolanas stations Warsaw metro - Line 2 - 2010 2013 ASTALDI/GOULERMAK Clay and sand 7-24 6,00 2x4800 EPB D Underground works Milan metro - Line 3 - Affori-Comasina extension 2006 2011 Europea 92 Sands and gravels 15 1500 JG, IN D - Running tunnels and Comasina station Milan metro - Line 5 - Sesto-Garibaldi section - 2006 2011 GARBI Linea 5 Sands and gravels 15 8.00 2x7000 EPB F,D Running tunnels and 8 underground stations Genoa metro - Line 1 - Marls and marly 2005 2011 Deferrari-Brignole METROGENOVA limestones under 10 6.25 2x800 D extension water-table Naples metro - Line 6 - Campegna-Bagnoli 2009 2010 ANSALDO Sands and tufs 20 8.2 3800 EPB A, P extension - Running tunnels and 3 stations Naples metro - Line 1 - IMPREGILO e DELLA 2001 2010 6.75 2x3700 EPB D Running tunnels MORTE Naples metro - Line 1 - Metropolitana Milanese Tufs and 2001 2010 Running tunnels and 30 6.75 2x4500 D S.p.A. pozzolanas stations 1/3 UNDERGROUNDS TYPE OVERBURDEN max SPAN LENGTH SPECIAL START END JOB CLIENT GROUND OF [m] [m] [m] INTERVENTIONS TASK Milan metro - Line 3 - 2002 2005 Maciachini - Dergano CMC e TORNO Sands and gravels 15 9 967 IN D extension Milan metro - Line 3 - 2002 2005 CMC e TORNO Sands and gravels 15 16 112 IN D Dergano station Naples metro - Line 1 - Metropolitana Milanese Tufs and 1997 2005 30 6.75 2x3700 EPB F, D Dante-Garibaldi extension S.p.A. pozzolanas Milan metro - Line 4 - Five Metropolitana Milanese 2002 2004 Sands and gravels cielo aperto 16 750 F stations S.p.A. Clayey sands and sandy clays with Athens metro - Line 3 - Consorzio AEGEK- 2001 2003 conglomerate 15 9.44 3679 EPB A West extension AKTOR-SELI levels, Athens schists Rome metro - Line B1 - 1999 2003 Annibaliano shaft and test Comune di Roma Alluvium F adit Alluvium (clays, silts 1997 2003 Rome metro - Line B1 Comune di Roma 33 6.7 6800 EPB F and sands) Rome metro - Line B1 - Travertin sands and 1997 2003 Comune di Roma 20 26 150 AC F Nomentana station sandy silts Recent alluvium, Rome metro - Line B1 - 1997 2003 Comune di Roma "Siciliano" 20 26 150 CG, IN, VA F Annibaliano station Formation Rome metro - Line B1 - 1997 2003 Comune di Roma Clayey silts 20 26 150 CG, IN, VA F Gondar station Rome metro - Line B1 - 1997 2003 Comune di Roma Clayey silts 20 26 150 F Conca d'Oro station Marls and marly Genoa metro - Line 1 - 2002 2002 METROGENOVA limestones under 15-20 6.25 500 IN+VTR F, D Grazie-Deferrari extension water-table Milan metro - Line 3 - Metropolitana Milanese 2001 2002 Sands and gravels 16 D Affori station S.p.A. Marls and marly Genoa metro - Line 1 - Le 2001 2001 ANSALDO limestones under 10 6,25 2x800 F Grazie-Brignole station water-table Marls and marly Genoa metro - Line 1 - 2001 2001 ANSALDO limestones under F Corvetto station water-table Milan metro - Line 2 - GRANDI LAVORI 1999 2001 Famagosta - Sands and gravels 12 12 1400 CG, IN D FINCOSIT Abbiategrasso extension Milan underground railway 8.80 and 1998 2001 TORNO S.p.A. Sands and gravels D link - Porta Vittoria station 10.0 Genoa metro - Line 1 - Marls and marly ANSALDO Trasporti 1988 2001 Principe-Le Grazie limestones under ott-15 6.1 1400 IN + VTR+EPB F, D Metropolitane Scarl extension water-table Milan metro - Line 3 - Metropolitana Milanese 1999 2000 Sands and gravels 15 16 112 in F Dergano station S.p.A. Rome metro - Line A - Clayey and sandy- 1988 1997 "Baldo degli Ubaldi" Intermetro S.p.A. 22 22 120 PT, VTR, VA D silty formations station Milan underground railway MM Strutture ed Alluvium in silty- 1985 1993 link - Lot 2PB - Porta Infrastrutture del 4 30 220 AC D sandy matrix Venezia station Territorio S.p.A. Canton metro (China) - 1992 1992 Line 1 - Running tunnel TBM A and station Milan underground railway Metropolitana Milanese 8.80 and 1999 Sands and gravels 8 600 J.G., IN link - Lot 7P2 S.p.A. 10.0 MM Strutture ed Loose ground Milan underground railway 1991 Infrastrutture del partially under water- IN link - Lots 2PA and 4PA2 Territorio S.p.A. table Milan underground railway MM Strutture ed Loose ground 1991 link - Lots 3P, 5P, 6P - Infrastrutture del partially under water- 20 10 520 EPB + IN Running tunnels Territorio S.p.A. table MM Strutture ed Loose ground Milan underground railway 1991 Infrastrutture del partially under water- 20 23 IN link - Garibaldi station Territorio S.p.A. table Naples station - Line 1 - Dante-Vanvitelli and Tufs and 1991 Comune di Napoli 30 6.55 431 F, D Donzelli-Colli Aminei pozzolanas extensions Naples metro - Line 1 - Lot Tufs and 1991 Comune di Napoli EPB 3 - Running tunnel pozzolanas Milan metro - Line 3 - Lot MM Strutture ed 1990 3 - East by-pass Infrastrutture del Loose ground 7 10 70 IN underpass at Rogoredo Territorio S.p.A. 2/3 UNDERGROUNDS TYPE OVERBURDEN max SPAN LENGTH SPECIAL START END JOB CLIENT GROUND OF [m] [m] [m] INTERVENTIONS TASK Sand and gravel 1989 Brescia metro A.S.M. 20 5 500 JGV alluvium Marseille metro (France) - 1989 S.M.M. Silty clay 15 10 20 IN + VTR Line 1 - Lot 5 Bologna metro - Lines 1 1989 Sisplan S.p.A. Alluvium and clays 15 8 500 IN + HYDROS and 2 Rome metro - Line A - Clayey and sandy- 1988 Intermetro S.p.A. 22 22 "Aurelia Cornelia" station silty formations Rome metro - Line A - Clayey and sandy- 1988 Ottaviano-Battistini Intermetro S.p.A. 22 6 3500 silty formations extension MM Strutture ed Naples metro - Rapid Tufs and 1986 Infrastrutture del IN Transit System pozzolanas Territorio S.p.A. MM Strutture ed Loose ground Milan underground railway 1986 Infrastrutture del partially under water- 13 10 430 IN link - Lot 1PA Territorio S.p.A. table Cons. Lodigiani- Milan metro - Line 3 - Lot 1985 Grassetto-Romagnoli- Alluvium IN 2B Tettamanti MM Strutture ed Milan metro - Line 3 - Lot 1985 Infrastrutture del Alluvium 7 - Viale Sondrio Territorio S.p.A 1983 Singapore metro - Lot 106 Metro Singapore Clays 1982 Lyon metro (France) Metrolione Alluvium Athens metro - Lot Attiki- 1980 Sepolia 3/3.